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LibJS: Add Math.exp()

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This commit is contained in:
Linus Groh 2020-05-18 15:11:15 +01:00 • committed by Andreas Kling
parent b27834cf16
commit e375766f98
5 changed files with 48 additions and 12 deletions
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13
Libraries/LibJS/Runtime/MathObject.cpp
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@ -50,6 +50,7 @@ MathObject::MathObject()
put_native_function("cos", cos, 1, attr);
put_native_function("tan", tan, 1, attr);
put_native_function("pow", pow, 2, attr);
put_native_function("exp", exp, 1, attr);
put_native_function("sign", sign, 1, attr);
put("E", Value(M_E), 0);
@ -204,7 +205,17 @@ Value MathObject::tan(Interpreter& interpreter)
Value MathObject::pow(Interpreter& interpreter)
{
return exp(interpreter, interpreter.argument(0), interpreter.argument(1));
return JS::exp(interpreter, interpreter.argument(0), interpreter.argument(1));
}
Value MathObject::exp(Interpreter& interpreter)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
if (number.is_nan())
return js_nan();
return Value(::pow(M_E, number.as_double()));
}
Value MathObject::sign(Interpreter& interpreter)